Sienna Venture Capital | Activity | F4

Team Portfolio Raise Essays

F4/Sienna Venture Capital/Activity

Sienna Venture Capital Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

Milestone

Portfolio company Xsight Labs raised more than $300 million to power AI and cloud networks.

Xsight Labs

Xsight Labs Sienna Venture Capital

sienna-vc.comSEP 17, 2026

SEP 17, 2026

Exit

Portfolio company DustPhotonics was acquired by Credo for up to $1.2B.

DustPhotonics

DustPhotonics Sienna Venture Capital

sienna-vc.comAPR 15, 2026

APR 15, 2026

Milestone

Nexar appointed Yann LeCun to its board.

Nexar

Nexar Sienna Venture Capital

sienna-vc.comJAN 22, 2026

JAN 22, 2026

Exit

Zendesk acquired portfolio company Unleash.

Unleash

Unleash Sienna Venture Capital

sienna-vc.comDEC 19, 2025

DEC 19, 2025

Investment

Led Second Nature's $22M Series B.

Second Nature

Second Nature Sienna Venture Capital

sienna-vc.comOCT 16, 2025

OCT 16, 2025

Investment

Led Seemplicity's $50M Series B.

Seemplicity

Seemplicity Sienna Venture Capital

sienna-vc.comAUG 20, 2025

AUG 20, 2025

Milestone

Portfolio company Ibex received its first FDA 510(k) clearance.

Ibex Medical Analytics

Ibex Medical Analytics Sienna Venture Capital

sienna-vc.comFEB 11, 2025

FEB 11, 2025

News

Sienna Venture Capital received the CCFI award for supporting Israeli tech.

CCFI award for supporting Israeli tech

Sienna Venture Capital

sienna-vc.comNOV 28, 2024

NOV 28, 2024

Press

Isabelle Amiel argued that now is the best time to invest in Israeli tech.

Isabelle Amiel: Now is the best time to invest in Israeli tech

Sienna Venture Capital

sienna-vc.comMAY 28, 2024

MAY 28, 2024

Investment

Ibex raised a $55M Series C.

Ibex Medical Analytics

Ibex Medical Analytics Sienna Venture Capital

sienna-vc.comSEP 6, 2023

SEP 6, 2023